Sofa



FIG. 1 is a right side elevational view of a sofa showing a first embodiment of my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view of a sofa showing a second embodiment of my new design;

FIG. 7 is a top plan view thereof;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is front elevational view thereof; and,

FIG. 10 is a rear elevational view thereof. 

The ornamental design for a sofa, as shown and described. 